H. J Kitzman, D. L Olds, R. E Cole, C. A Hanks, E. A Anson, K. J Arcoleo, D. W Luckey, M. D Knudtson, C. R Henderson and J. R. Holmberg
Archives of Pediatrics and Adolescent Medicine 164 ( 5 ): 412 - 418 , 2010